Other

- Allows use of a 1-1/8" threadless stem in combination with a threaded headset/steerer - Includes removable shim to fit 1" or 1-1/8" steerer - Cold-forged aluminum with steel bolt

- Clamps to a threadless steerer, offers up to 3-1/4" stem height increase - Forged 6061 aluminum - Threaded alloy top cap

- Clamps to a threadless steerer - Offers up to 4-1/2" stem height increase - Forged 6061-aluminum provides extra strength - Machined aluminum top cap is threaded, providing easy installation